China Plastic Sheet Extruder PP PE PS Roll BC120-1000 - Reliable Factory Suppliers for Quality Extrusion Solutions

Machine introduction

2. Sieve changer part:

3. Melt metering pump part

• Pump body drive connection mode: cardan shaft connection drive.
• Pump body reducer: high strength hard tooth reducer, no noise.
• Pump body control mode: frequency conversion speed regulation, and equipped with melt pressure sensor display pressure.
• Closed-loop control system: by adjusting the pressure before the pump to automatically control the speed of the screw host, to achieve the melt pressure balance, greatly improve the stability of extrusion.

4. Die

• Die forming: T coat hanger type
• Effective width of die: 1000mm (single-side adjustable range 0-200mm)
• Die performance: Using 40Cr material after modulation, chrome plating, polishing and other processes, with smooth flow path, mold opening and closing uniform, smooth adjustment, low energy consumption
• Die heating power: 15kw (built-in stainless steel heating tube, five-zone temperature control)

5. Three-roll calender part:

• Roller specification: φ350mm*500mm*500mm, length 1000mm
• Roller structure: three-layer structure, outer layer by intermediate frequency treatment, surface hardness HRC55-58
• Roller surface: chrome plated, coating thickness 0.07-0.10mm after calenzing, surface roughness Ra≤0.4μm
• Roller accuracy: radial runout ≤0.01mm, cylindricity < 0.01mm
• Roller cooling method: water or oil cooling medium, the internal cooling channel adopts spiral trend, good cooling effect, high sheet transparency
• Roller drive motor power: 4kw*3 (variable frequency speed regulation)
• The form of roller drive: three rollers with gear reducer transmission, hard tooth surface gear reducer synchronous transmission, using analog module control
• Roll pitch adjustment: worm gear pitch adjustment, screw skew block fine adjustment limit
• Longitudinal walking: electric walking positioning device, equipped with a reducer with a motor

6. Cooling and trimming device:

• The cooling part is composed of one φ180mm*1000mm roller and seven φ80*1000mm aluminum alloy guide rollers
• The trimming device is equipped with two cutting knives

7. Traction winder:

• Traction steel roller φ180mm*1000mm, traction rubber roller φ180*1000mm, coated and polished
• Traction reducer and motor power: hard face helical gear reducer with chain drive, 3kw
• Opening and closing form: cylinder pneumatic control
• Winding method: double station winding, air expansion shaft winding sheet, torque motor tension control, can be flipped unloading coil

8. Control part:

• Console control: movable man-machine interface, touch screen form
• Temperature control: PID control of temperature module

Working flow

Technical parameter

Applications

Structure diagram

List